Harder, T. (1969). Introduction to Mathematical Models in Market and Opinion Research: With Practical Applications, Computing Procedures, and Estimates of Computing Requirements. Springer Netherlands.
Chicago Style (17th ed.) CitationHarder, Theodor. Introduction to Mathematical Models in Market and Opinion Research: With Practical Applications, Computing Procedures, and Estimates of Computing Requirements. Dordrecht: Springer Netherlands, 1969.
MLA (9th ed.) CitationHarder, Theodor. Introduction to Mathematical Models in Market and Opinion Research: With Practical Applications, Computing Procedures, and Estimates of Computing Requirements. Springer Netherlands, 1969.
Warning: These citations may not always be 100% accurate.